{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ZW5RRFB2S3LVDJ6RS2DIIVW6I5","short_pith_number":"pith:ZW5RRFB2","canonical_record":{"source":{"id":"2604.07508","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-04-08T18:47:05Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"9da06e55452ea44f4bc75a9485245b6f0a147e9934614026185aa844b45d7e6d","abstract_canon_sha256":"ff795accb4a4c324677e4c5057cc569d57905a340866961a4dc43fa86404fe53"},"schema_version":"1.0"},"canonical_sha256":"cdbb18943a96d751a7d196868456de47503afebb724c390b00aab3d981ae4476","source":{"kind":"arxiv","id":"2604.07508","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.07508","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"arxiv_version","alias_value":"2604.07508v2","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.07508","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZW5RRFB2S3LV","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"pith_short_16","alias_value":"ZW5RRFB2S3LVDJ6R","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"pith_short_8","alias_value":"ZW5RRFB2","created_at":"2026-06-23T01:12:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ZW5RRFB2S3LVDJ6RS2DIIVW6I5","target":"record","payload":{"canonical_record":{"source":{"id":"2604.07508","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-04-08T18:47:05Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"9da06e55452ea44f4bc75a9485245b6f0a147e9934614026185aa844b45d7e6d","abstract_canon_sha256":"ff795accb4a4c324677e4c5057cc569d57905a340866961a4dc43fa86404fe53"},"schema_version":"1.0"},"canonical_sha256":"cdbb18943a96d751a7d196868456de47503afebb724c390b00aab3d981ae4476","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T01:12:04.527853Z","signature_b64":"ShNRa7M4lBnOMobDA0BVrs/aDpU3BKEMsPCEgjCeb9pVZ3C0cV97DehPZjAxnG88cyiNxLfEtDEEEJvW7POwDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cdbb18943a96d751a7d196868456de47503afebb724c390b00aab3d981ae4476","last_reissued_at":"2026-06-23T01:12:04.527365Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T01:12:04.527365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2604.07508","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-23T01:12:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mqArKNdR2e3Ty3ghhattBQkf4Yi0iN+PDuhjWveAWQWi3KUl6DvcaA46Vqjemv9xGZQ6kdHQ12leK/dl5899Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:04:28.394134Z"},"content_sha256":"8977116215e45738801c4665bb140ace456b506db2aae8b6dc9521bf88824dc4","schema_version":"1.0","event_id":"sha256:8977116215e45738801c4665bb140ace456b506db2aae8b6dc9521bf88824dc4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ZW5RRFB2S3LVDJ6RS2DIIVW6I5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The fall and the rise of Weyl gauge theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Weyl gauge theory has been revived as the only gauge theory of a spacetime symmetry with a physical gauge boson, exact geometric interpretation, and all scales of geometric origin.","cross_cats":["hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"D. M. Ghilencea","submitted_at":"2026-04-08T18:47:05Z","abstract_excerpt":"In 1918 Weyl introduced Weyl conformal geometry and its associated quadratic action which was the first gauge theory, of the Weyl group (of dilatations and Poincar\\'e symmetry). The initial physical interpretation of his theory was however short-lived and led to the downfall of Weyl geometry as a physical theory. We review how this action was re-born into a physical Weyl quadratic gauge theory of gravity. This is the only (quadratic) gauge theory of a spacetime symmetry with a physical gauge boson, is Weyl anomaly-free, has {\\it exact} geometric interpretation, with all scales of geometric ori"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"This is the only gauge theory of a spacetime symmetry with a physical gauge boson, is Weyl anomaly-free, has exact geometric interpretation, with all scales of geometric origin, and generates Einstein-Hilbert action and a positive cosmological constant in its spontaneously broken phase.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The assumption that the revived Weyl gauge theory truly provides an exact geometric interpretation and a physical gauge boson while remaining consistent with observations and quantum requirements, without hidden inconsistencies that plagued the 1918 version.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Weyl gauge theory of gravity is revived as the only anomaly-free gauge theory of spacetime symmetry with a physical gauge boson, exact geometric interpretation, all scales of geometric origin, and it generates the Einstein-Hilbert action plus positive cosmological constant upon spontaneous breaking,","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Weyl gauge theory has been revived as the only gauge theory of a spacetime symmetry with a physical gauge boson, exact geometric interpretation, and all scales of geometric origin.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"81cb68efa63414bd5f2a2852b88625d012a24eab3f1a2561e270b41b2f9fab68"},"source":{"id":"2604.07508","kind":"arxiv","version":2},"verdict":{"id":"bfd0d2a5-acb0-4f89-a1c5-235bdef86ebb","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-10T17:13:05.133756Z","strongest_claim":"This is the only gauge theory of a spacetime symmetry with a physical gauge boson, is Weyl anomaly-free, has exact geometric interpretation, with all scales of geometric origin, and generates Einstein-Hilbert action and a positive cosmological constant in its spontaneously broken phase.","one_line_summary":"Weyl gauge theory of gravity is revived as the only anomaly-free gauge theory of spacetime symmetry with a physical gauge boson, exact geometric interpretation, all scales of geometric origin, and it generates the Einstein-Hilbert action plus positive cosmological constant upon spontaneous breaking,","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The assumption that the revived Weyl gauge theory truly provides an exact geometric interpretation and a physical gauge boson while remaining consistent with observations and quantum requirements, without hidden inconsistencies that plagued the 1918 version.","pith_extraction_headline":"Weyl gauge theory has been revived as the only gauge theory of a spacetime symmetry with a physical gauge boson, exact geometric interpretation, and all scales of geometric origin."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2604.07508/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":"bfd0d2a5-acb0-4f89-a1c5-235bdef86ebb"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-23T01:12:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tCJeugAxng4sIJVl7UPhGZCrhY5CmzAnEorv8wY35hwf/yQsxhNxj76KPiiRotMMt1fS8dT4FBH4YCZLUtfACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:04:28.394594Z"},"content_sha256":"0d40754951d28c3295adafa255021fb59e4f08489d06c5aae110cc16e4cbaf5b","schema_version":"1.0","event_id":"sha256:0d40754951d28c3295adafa255021fb59e4f08489d06c5aae110cc16e4cbaf5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZW5RRFB2S3LVDJ6RS2DIIVW6I5/bundle.json","state_url":"https://pith.science/pith/ZW5RRFB2S3LVDJ6RS2DIIVW6I5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZW5RRFB2S3LVDJ6RS2DIIVW6I5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-27T15:04:28Z","links":{"resolver":"https://pith.science/pith/ZW5RRFB2S3LVDJ6RS2DIIVW6I5","bundle":"https://pith.science/pith/ZW5RRFB2S3LVDJ6RS2DIIVW6I5/bundle.json","state":"https://pith.science/pith/ZW5RRFB2S3LVDJ6RS2DIIVW6I5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZW5RRFB2S3LVDJ6RS2DIIVW6I5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZW5RRFB2S3LVDJ6RS2DIIVW6I5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ff795accb4a4c324677e4c5057cc569d57905a340866961a4dc43fa86404fe53","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-04-08T18:47:05Z","title_canon_sha256":"9da06e55452ea44f4bc75a9485245b6f0a147e9934614026185aa844b45d7e6d"},"schema_version":"1.0","source":{"id":"2604.07508","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.07508","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"arxiv_version","alias_value":"2604.07508v2","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.07508","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZW5RRFB2S3LV","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"pith_short_16","alias_value":"ZW5RRFB2S3LVDJ6R","created_at":"2026-06-23T01:12:04Z"},{"alias_kind":"pith_short_8","alias_value":"ZW5RRFB2","created_at":"2026-06-23T01:12:04Z"}],"graph_snapshots":[{"event_id":"sha256:0d40754951d28c3295adafa255021fb59e4f08489d06c5aae110cc16e4cbaf5b","target":"graph","created_at":"2026-06-23T01:12:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"This is the only gauge theory of a spacetime symmetry with a physical gauge boson, is Weyl anomaly-free, has exact geometric interpretation, with all scales of geometric origin, and generates Einstein-Hilbert action and a positive cosmological constant in its spontaneously broken phase."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The assumption that the revived Weyl gauge theory truly provides an exact geometric interpretation and a physical gauge boson while remaining consistent with observations and quantum requirements, without hidden inconsistencies that plagued the 1918 version."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Weyl gauge theory of gravity is revived as the only anomaly-free gauge theory of spacetime symmetry with a physical gauge boson, exact geometric interpretation, all scales of geometric origin, and it generates the Einstein-Hilbert action plus positive cosmological constant upon spontaneous breaking,"},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Weyl gauge theory has been revived as the only gauge theory of a spacetime symmetry with a physical gauge boson, exact geometric interpretation, and all scales of geometric origin."}],"snapshot_sha256":"81cb68efa63414bd5f2a2852b88625d012a24eab3f1a2561e270b41b2f9fab68"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2604.07508/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In 1918 Weyl introduced Weyl conformal geometry and its associated quadratic action which was the first gauge theory, of the Weyl group (of dilatations and Poincar\\'e symmetry). The initial physical interpretation of his theory was however short-lived and led to the downfall of Weyl geometry as a physical theory. We review how this action was re-born into a physical Weyl quadratic gauge theory of gravity. This is the only (quadratic) gauge theory of a spacetime symmetry with a physical gauge boson, is Weyl anomaly-free, has {\\it exact} geometric interpretation, with all scales of geometric ori","authors_text":"D. M. Ghilencea","cross_cats":["hep-ph","hep-th"],"headline":"Weyl gauge theory has been revived as the only gauge theory of a spacetime symmetry with a physical gauge boson, exact geometric interpretation, and all scales of geometric origin.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-04-08T18:47:05Z","title":"The fall and the rise of Weyl gauge theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.07508","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-10T17:13:05.133756Z","id":"bfd0d2a5-acb0-4f89-a1c5-235bdef86ebb","model_set":{"reader":"grok-4.3"},"one_line_summary":"Weyl gauge theory of gravity is revived as the only anomaly-free gauge theory of spacetime symmetry with a physical gauge boson, exact geometric interpretation, all scales of geometric origin, and it generates the Einstein-Hilbert action plus positive cosmological constant upon spontaneous breaking,","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Weyl gauge theory has been revived as the only gauge theory of a spacetime symmetry with a physical gauge boson, exact geometric interpretation, and all scales of geometric origin.","strongest_claim":"This is the only gauge theory of a spacetime symmetry with a physical gauge boson, is Weyl anomaly-free, has exact geometric interpretation, with all scales of geometric origin, and generates Einstein-Hilbert action and a positive cosmological constant in its spontaneously broken phase.","weakest_assumption":"The assumption that the revived Weyl gauge theory truly provides an exact geometric interpretation and a physical gauge boson while remaining consistent with observations and quantum requirements, without hidden inconsistencies that plagued the 1918 version."}},"verdict_id":"bfd0d2a5-acb0-4f89-a1c5-235bdef86ebb"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8977116215e45738801c4665bb140ace456b506db2aae8b6dc9521bf88824dc4","target":"record","created_at":"2026-06-23T01:12:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ff795accb4a4c324677e4c5057cc569d57905a340866961a4dc43fa86404fe53","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-04-08T18:47:05Z","title_canon_sha256":"9da06e55452ea44f4bc75a9485245b6f0a147e9934614026185aa844b45d7e6d"},"schema_version":"1.0","source":{"id":"2604.07508","kind":"arxiv","version":2}},"canonical_sha256":"cdbb18943a96d751a7d196868456de47503afebb724c390b00aab3d981ae4476","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cdbb18943a96d751a7d196868456de47503afebb724c390b00aab3d981ae4476","first_computed_at":"2026-06-23T01:12:04.527365Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T01:12:04.527365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ShNRa7M4lBnOMobDA0BVrs/aDpU3BKEMsPCEgjCeb9pVZ3C0cV97DehPZjAxnG88cyiNxLfEtDEEEJvW7POwDw==","signature_status":"signed_v1","signed_at":"2026-06-23T01:12:04.527853Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.07508","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8977116215e45738801c4665bb140ace456b506db2aae8b6dc9521bf88824dc4","sha256:0d40754951d28c3295adafa255021fb59e4f08489d06c5aae110cc16e4cbaf5b"],"state_sha256":"7bf6e55a32b6bb58e4df3ac1e1e80707b265f533962668e83606e6ff9cf85fca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LKq9mNn0TJ2HZOkVn9+AaZ5tz+rDEUeZl/N6PvradmoKbHUmmjp320W9OrRaN3AMeE8GpClx9SUIT0Vvt38jCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T15:04:28.396663Z","bundle_sha256":"9799d44638b49d3df0f90df956c39f2a0618543c2834d363f34b011ba0aaef59"}}